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7 Best Images Upscalers to Enhance Images to 4k without Any Quality Loss

As screens with higher resolutions like 4k become more common, having high quality images to display on them is crucial. But finding or creating images with very large resolutions can be difficult and time consuming. This is where AI-powered 4k image upscalers come in handy.

These clever tools can take an image of any size and use artificial intelligence to increase its resolution to 4k or even 8k, without negatively impacting image quality. In this article, we’ll explore the 7 best AI image upscalers capable of enhancing images to 4k resolution without any loss of quality.

What Is 4K AI Upscaling?

4K AI upscaling is the process of using artificial intelligence algorithms to increase the resolution of an image to 4k. It analyzes the image data to predict what additional detail would exist if the source image had originally been created in 4k resolution.

This results in a high-resolution version of the image that retains the quality and integrity of the original. The upscaled image contains more pixels and detail than the source image, allowing it to be displayed on high resolution screens without any drop in apparent quality.

7 Best Images Upscalers to Enhance Images to 4K

1. HitPaw Photo AI

HitPaw Photo AI is an extremely versatile AI-powered photo editing application that specializes in enhancing images through upscaling and other adjustments. With its cutting-edge AI algorithms, HitPaw enables users to dramatically improve their images with just a few clicks.

At very affordable pricing compared to competitors, HitPaw leverages the latest GPU acceleration for fast image enlargement up to 8K resolution. For users needing an all-in-one editor with excellent upscaling, HitPaw Photo AI is an easy top recommendation. It is best to upscale image to 4k.


  • Industry-leading image upscaler that can enlarge images up to 8K resolution
  • Advanced AI photo enhancer to adjust brightness, clarity, color and more for stunning results
  • Innovative AI portrait generator to retouch faces in a natural looking way
  • Built-in passport photo maker that resizes images to meet official requirements
  • Unique AI art generator that can transform text into beautiful artwork


  • Extremely powerful upscaling capability for enlarging images to 4K or 8K
  • Intuitive interface for easy editing even for beginners
  • Very affordable pricing compared to advanced features
  • Fast processing times using GPU acceleration
  • Frequent updates with new AI editing models


  • Some features within the software are only accessible on paid subscriptions.

2. Gigapixel AI

Gigapixel AI is an advanced AI-powered photo enlargement application from Topaz Labs that can upscale images up to 600% bigger using machine learning algorithms. It enlarges images by actually increasing sharpness and recovering real detail, avoiding the blocky or blurry results of traditional upscaling methods.


  • Up to 600% enlargement for creating big high-res prints
  • Standalone app or plugins for Lightroom/Photoshop
  • Multiple AI models for optimal quality on different photos
  • Effective at reducing noise and compression artifacts


  • Adds real detail for sharp, clear upscaled images
  • Easy to use interface and powerful batch processing
  • Frequent updates with improved AI models


  • Can be resource intensive for lower spec computers
  • Doesn’t allow video upscaling

3. is an online image upscaler that uses AI to enlarge images up to 4x bigger, while sharpening and reducing noise. As a web app, it offers easy access from any device.


  • 4x max enlargement for web or print use
  • Web app requiring no software installs
  • Sharpening and noise reduction
  • Batch processing queue


  • Simple drag and drop interface
  • Fast upscaling powered by GPUs
  • Free tier available


  • Limited to 4x enlargement
  • Must upload full-res source images

4. Icons8 Smart Upscaler

Icons8 Smart Upscaler is a free online tool that can enlarge images by up to 4x using an AI algorithm. It has an easy to use interface and offers batch processing capabilities.


  • 4x maximum enlargement
  • Intuitive web interface
  • Batch processing of multiple images
  • Free to use with no limits


  • Simple drag and drop upscaling
  • Good results for web or printing
  • Completely free to use


  • Limited to 4x upscaling
  • Requires original image uploads

5. Adobe Firefly

Adobe Firefly is a new AI-powered image upscaler that is currently available as a free public beta. It can enlarge images up to 4x resolution.


  • Up to 4x upscaling powered by AI
  • Direct integration with Photoshop/Lightroom
  • Sharpening and noise reduction
  • Easy to use workflow


  • Leverages Adobe’s AI research
  • Tight integration for Adobe apps
  • Accessible to millions of users


  • Currently in beta testing
  • Limited to 4x enlargement

6. DeepImage AI

DeepImage AI uses neural networks to enlarge images for big high-quality prints. It focuses on architectural, product and landscape photos.


  • Specialized for architectural photos
  • Up to 600% enlargement
  • Reduces noise and JPEG artifacts
  • 30 day free trial available


  • Excellent for enlarging building photos
  • Clean, sharp details in upscaled images
  • Affordable licensing model


  • Narrow focus on architecture
  • Less versatile than competitors

7. VanceAI

VanceAI is an AI-powered online image upscaler that can enlarge photos by up to 4x resolution for free. It offers batch processing and integrates with Google Drive for easy uploads.


  • Free 4x upscaling
  • Batch processing built-in
  • Integration with Google Drive
  • Simple web interface


  • Completely free to use
  • Easy uploads from Google Drive
  • Decent upscaling quality


  • Limited to 4x enlargement
  • Requires original image uploads


Using the 4k AI image upscalers to increase the resolution of your images brings a whole new level of manipulating images to pursue their maximum potential. With the increasing demand for enlarging images up to 4K or even 8K, there are now many effective options for 4K or 8K enlargement.

Tools such as Gigapixel AI are able to do a very impressive job of the upscaling and recovery of detail and sharpness.

In general, the combination of price, speed, and efficiency makes HitPaw Photo AI the most effective choice. The capability of its AI photo enhance is excellent with correction for color and detailed sharpening either for the original photo or super-resolution enhancement of the photo.

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